The Nile: An Encyclopedia of Geography, History, and Culture
Encyclopedia of American Civil Rights and Liberties
US Supreme Court Landmark Cases: Desegregating Schools: Brown v. Board of Education
National Parks: Yellowstone National Park
Vaccines: History, Science, and Issues
The Bill of Rights: Freedom of Speech, the Press, and Religion: The First Amendment
Women in Science: Jane Goodall: Primatologist and UN Messenger of Peace
The Holocaust: An Encyclopedia and Document Collection
Special Reports, Set 2: The Gender Wage Gap
US Supreme Court Landmark Cases: Marriage Equality: Obergefell v. Hodges
Hidden Heroes: The Stonewall Riots: The Fight for LGBT Rights
Special Reports, Set 2: The War on Poverty
Defying Convention: Women Who Changed the Rules: Women Writers
National Parks: Glacier National Park
The Sea in World History: Exploration, Travel, and Trade
Collective Biographies: Women Scientists and Inventors
National Parks: Grand Canyon National Park
American Citizenship: Constitutional Rights
Resisting the Holocaust: Upstanders, Partisans, and Survivors